How to set up mobile Internet on Xiaomi Redmi phone: from APN to 5G

Mobile Internet on Xiaomi Redmi smartphones is usually set up automatically when you first install SIM-maps, but sometimes users face problems: no signal, pages are not loaded or the device does not recognize the network 4G/5G. In this article, we will analyze all possible scenarios - from basic settings to solving non-standard errors.

The feature of Redmi phones (including Note 12 Pro+, Redmi 10C or POCO X5) is the proprietary shell MIUI, which can hide some settings behind additional menus. We will show you where to look for the desired settings, how to manually prescribe APN (access points) for any operator and what to do if the network disappears after a firmware update.

Important: The manual is valid for all MIUI versions (including MIUI 14 and HyperOS), but some menu items may vary slightly depending on the model and regional firmware. If your Redmi runs on Global ROM or China ROM, note the nuances below.

Preparation: verification SIM-maps and network compatibility

Before you set up the internet, make sure yours is yours. SIM-The card supports the necessary communication standards. Modern Xiaomi Redmi works with the help of the mobile phone:

• 📡 2G (GSM/EDGE) — Older standard, but may be useful in remote areas.
• 🚀 3G (UMTS/HSPA+) — It is still found in some operators, but gradually shuts down.
• ⚡ 4G (LTE) — The basic standard for mobile internet.
• 🌐 5G (NR) — available on flagships (Redmi) K60, Note 12 Pro+ 5G newer).

To check the compatibility:

1. Make sure your tariff supports data transfer (sometimes operators block the Internet by default).
2. Check whether the service "Mobile Internet" is activated in the operator's personal account (for example, through the site or application My MTS, My Beeline, etc.).
3. If you use eSIM, make sure that the profile is set correctly (Redmi has eSIM support since the Note 11 Pro+).

⚠️ Note: If you insert a nano-SIM In a micro-SIM tray with an adapter, the contacts may not match. This is a common reason for the lack of network on older Redmi models. 4X or Redmi 5A.

Regional restrictions are also worth considering: For example, some Redmis purchased in China (China ROM) may not support Russian carrier frequencies.

2. Basic mobile Internet setting in MIUI

If SIM-The card is recognized, but the Internet is not working, first try to enable data transfer manually:

1. Open the Settings. → SIM-maps and mobile networks.
2. Choose yours. SIM-card (if there are several).
3. Activate the mobile data switch.
4. Make sure that 4G (preferably) or 5G (if supported) is selected in the Network Type bar.

If the internet is not working, check:

• 🔄 Flight mode - it must be turned off (check in the notification curtain).
• 📶 Coverage area – you may be in a low signal location (check the number of sticks in the status bar).
• 🔋 Energy saving – in Ultra-saving mode, mobile data can be turned off automatically.

On some firmware (MIUI 12 and older) have a separate setting 4G menu SIM-If it's on, the phone won't switch to the map. 3G low-signal 4G, which can cause communication breakdowns.

SIM-map is recognized in the settings

Mobile data included in the menu SIM-map

Network type is installed on 4G/5G (not 2G/3G)

Flight mode is off.

Energy saving does not block background data-->

3. Manual Addition of Access Points (APN)

If the automatic settings are not loaded, you will have to add APN (Access Point Name) manually, the settings depend on the operator. Below are the current data for the main Russian providers (2026):

To add APN to Xiaomi Redmi:

1. Go to Settings. → SIM-maps and mobile networks → [Yours. SIM] → Access points (APN).
2. Click on the three dots in the top right corner and select the New Access Point.
3. Fill in the fields as above. Leave the remaining parameters (e.g. Proxy, Port) blank unless otherwise specified by the operator.
4. Save the settings and select the profile you created in the APN list.

⚠️ Attention: On some firmware (MIUI China's menu APN To unlock it, type ##4636## in the dialer, select Phone Information, and manually change your preferred network type.

If after adding APN the Internet did not work, restart the phone - it will reset the cache of network settings.

5G setup on supported models

If your Xiaomi Redmi supports 5G (Redmi Note 11 Pro+ 5G, Redmi K50, POCO F4 GT and later), but the network is not catching, check the following points:

• 📶 Make sure your plan includes support 5G (For some operators, it is optional).
• 🌍 Check the coverage area — 5G Not yet available in all regions (coverage maps are available on operators’ websites).
• ⚙️ Turn it on. 5G in settings: Settings → SIM-maps and mobile networks → [Yours. SIM] → Type of network → 5G.

Some firmware (MIUI 13 and below) may need to activate VoLTE (LTE voice) to make 5G work consistently.

1. Go to Settings. → SIM-maps and mobile networks → [Yours. SIM] → Challenge 4G.
2. Turn on the VoLTE switch.
3. Reboot the phone.

If 5G never comes, try upgrading to the latest version of the firmware or installing Global ROM (if you have China ROM).

💡

If 5G is not stable, try manually selecting the range in the engineering menu. Type ##4636##, then go to Phone Information → Network Installation and select LTE/NR auto instead of NR only.

5. Solving common problems with mobile Internet

If after all the manipulations the Internet still does not work, use this troubleshooting instruction:

If the problem persists, reset the network settings:

1. Open Settings → About Phone → Resetting Settings → Resetting Network Settings.
2. Confirm the action (password or pattern lock may be required).
3. After rebooting, reset the APN.

⚠️ Note: On Redmi models with duality SIM-With cards (e.g. Redmi Note 10 Pro) mobile data can only work on one card. SIM. Check which card is selected by default in Settings → SIM-maps and mobile networks → Mobile data.

💡

If the Internet didn’t work after resetting, the problem may be in the firmware. Try updating your phone through Settings → About Phone → System Update or install firmware manually through the Mi Flash Tool (instructions are available on the 4PDA forum).

6. Features of settings on different versions of MIUI

The MIUI interface is updated regularly, and the layout of some menus may change, and here are the key differences for different versions:

• 📱 MIUI 12/13: Settings APN Hidden deep - you need to go to the settings → SIM-maps and mobile networks → [SIM] → Access Points: In some regional firmware, the item may be called Access Point Names.
• 🔄 MIUI 14: Added fast access to the network type right in the notification curtain (long tap on the mobile data icon).
• 🌐 HyperOS (2026): Network settings menu simplified, but APN Now edited through a separate SIM card app and mobile network (desktop icon).

China ROM (Chinese firmware) may not support Russian 4G/5G frequencies.

1. Install Global ROM via Mi Flash Tool (instructions are available on 4PDA).
2. Or use a patch to unlock frequencies (like Google Play’s Network Signal Guru).

If you have Redmi with custom firmware (like LineageOS or Pixel Experience), APN settings can be in the Settings menu → Networks and the Internet → Mobile Network → Additional → Access Points.

7. Speed check and diagnosis of problems

If the internet is working but slow, take advantage of these tips:

• 📊 Run a speed test through Speedtest or nPerf. 4G: ping up to 50 ms, download speed from 20 Mbps.
• 📡 If the speed is low, try manually selecting the network: → SIM-maps and mobile networks → [SIM] → Choice of network → Manual search. Sometimes automatic mode connects to an overloaded tower.
• 🔄 Turn off traffic savings in settings SIM-Maps - It can limit speed.

To diagnose network problems, MIUI has a hidden menu:

1. Enter the dialer ##4636##.
2. Select Phone Information.
3. Scroll down to the Network Settings block and check the Network Type and Service Status settings.

If the status of the service is Disabled or Emergency Calls Only, the problem is on the operator's side. Contact support or restart the base station (sometimes turning off the phone for 1-2 minutes helps).

FAQ: Frequent questions about mobile Internet on Xiaomi Redmi